Finding the Fourth Proportional to 124,660,134.63, 186,981,333.66 and 38,389,545.63
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Solution
The fourth proportional to 124,660,134.63, 186,981,333.66 and 38,389,545.63 is: 57,581,587.42
Step by Step Solution
- Step 1: Write the proportion equation
124,660,134.63 : 186,981,333.66 = 38,389,545.63 : x - Step 2: Convert to fraction form
124,660,134.63/186,981,333.66 = 38,389,545.63/x - Step 3: Cross multiply
124,660,134.63x = 186,981,333.66 × 38,389,545.63 - Step 4: Simplify right side
124,660,134.63x = 7,178,128,440,498,825 - Step 5: Solve for x
x = 7,178,128,440,498,825/124,660,134.63 - Step 6: Final answer
x = 57,581,587.42
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.